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blob = (BLOB)rst.getBlob(1);
Ò»Ö±±¨´í£¬Exception in thread "main" java.lang.UnsupportedOperationException
at sun.jdbc.odbc.JdbcOdbcResultSet.getBlob(JdbcOdbcResultSet.java:4386)
at blob.OracelBlobTest.writeBlob(OracelBlobTest.java:85)
at blob.OracelBlobTest.main(OracelBlobTest.java:149)
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package blob;
import oracle.sql.BLOB;
import java.sql.*;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
/**
* ×ܽ᣺
* 1.JDBCµÄAPI£ºjava.sql.Blob½Ó¿Ú£¬Ö»ÌṩÁËBLOBµÄ¶ÁÈ¡·½·¨£¬Ã»ÓÐÌṩдÈëµÄ·½·¨¡£
* 2.ORACELµÄAPI£ºoracle.sql.BLOBÊÇÒ»¸öÀ࣬ËüʵÏÖÁËjava.sql.Blob½Ó¿Ú£¬²¢ÇÒÌṩÁËÏòBLOBÖÐдÈëÊý¾ÝµÄ·½·¨
* 3.ÔÚÏòÊý¾Ý¿âÖвåÈëBLOBʱ£¬Ö»ÄÜÓÃORACELÌṩµÄAPI£ºoracel.sql.BLOB
*  дÈëµÄ²½Ö裺1>²åÈëÒ»Ìõ¼Ç¼£¬ÆäÖÐBLOB×Ö¶ÎÓÃoracleµÄ¿Õº¯Êý£ºempty_blob()´úÌæ¡£
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*            3>ÀûÓÃoracleµÄoracle.sql.BLOBµÄgetBinaryOutputStream()·½·¨»ñÈ¡BLOB×ֶεÄÊä³öÁ÷£¬ÏòÁ÷ÖÐдÈëÊý¾Ý
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* 4.ÔÚ´ÓÊý¾Ý¿âÖжÁÈ¡BLOBʱ£¬¼È¿ÉÒÔʹÓÃjava.sql.Blob£¬Ò²¿ÉÒÔʹÓÃoracel.sql.BLOB
*  ¶ÁÈ¡µÄ²½Ö裺1&


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